Madagascar Teal vs Spotted Whistling-duck
Anas bernieri 对比 Dendrocygna guttata
Side-by-Side Comparison
| 属性 | Madagascar Teal | Spotted Whistling-duck |
|---|---|---|
| 学名 | Anas bernieri | Dendrocygna guttata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 38.9 cm (15.3 in) | 41.3 cm (16.3 in) |
| 体重 | 365.0 g (12.88 oz) | 677.5 g (23.90 oz) |
| 食性 | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic invertebrates year-round. | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 产卵数 | 2-10 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Madagascar Teal
Mangroves, coastal lagoons, freshwater lakes, and rivers of western Madagascar. Endangered; restricted to small fragmented wetland areas. Nests in mangrove cavities or tree holes near water.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
Madagascar Teal
Female gives a nasal, quacking series; male utters a soft whistle. Extremely rare; calls resemble Grey Teal but slightly softer; heard only in restricted Malagasy freshwater habitat.
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Madagascar Teal
Breeds across northern and central North America; winters in the southern United States, Mexico, and Caribbean.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
保护状况
Madagascar Teal
Spotted Whistling-duck
How to Tell Them Apart
Madagascar Teal
Plain warm brown plumage with faint spotting; head slightly paler buff-brown. Orange-pink bill. Dull reddish-brown speculum. Orange legs. Sexes similar. Endangered Madagascar endemic; mangrove and coastal wetland specialist.
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
Madagascar Teal
马岛鸭（Anas bernieri）是一种小型褐色鸭，体羽具细密斑点，眼睛红色，具蓝绿色翼镜。特产于马达加斯加，属鸭科（Anatidae），是马达加斯加最濒危的水禽之一，受到栖息地丧失威胁。
Spotted Whistling-duck
斑树鸭是东南亚和西南太平洋的树鸭，分布于印度尼西亚、菲律宾、巴布亚新几内亚及澳大利亚北部。体羽深褐色，胸部和腹部具白色斑点，嘴灰黑色。栖息于热带雨林的湖泊、河流和湿地，以水生植物、种子和无脊椎动物为食，在树洞中营巢。